Positive operators.

Locally compact semi-algebras = with applications to spectral theory of positive operators / by: (Language materials, printed)

Positive operators by: (Language materials, printed)

Moments of linear positive operators and approximation by: (Language materials, printed)

Positive operators and fixed-point theorems with applications by: (Language materials, printed)

Banach algebras.

Spectral theory (Mathematics)

Linear operators.

Partial Differential Equations.

Sequences, Series, Summability.

Ordinary Differential Equations.

Fixed point theory.

Functions of a Complex Variable.

Positive operators.

Operator Theory.

Functional Analysis.